Anthropogenic-Induced Decrease (image) Institute of Atmospheric Physics, Chinese Academy of Sciences Share Print E-Mail Caption This is a graphic illustration for the anthropogenic-induced decrease in the difference of summer and winter temperatures. The thermometers represent the difference between summer and winter temperatures. Credit Jianping Duan Usage Restrictions none Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.